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12-2017.fm Page 1 Tuesday, May 9, 2000 10:02 AM
XL-260 High Power
4/3/2-Channel Bridgeable
Amplifier
Owner’s Manual
Please read before using this equipment.
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12-2017.fm Page 2 Tuesday, May 9, 2000 10:02 AM Contents Features .................................................................................................................................. 3 Preparation ............................................................................................................................. 4 Supplied Hardware ............................................................................................................ 4 Choosing a Mounting Locatio
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12-2017.fm Page 3 Tuesday, May 9, 2000 10:02 AM Features Power Indicator Your RadioShack High Power 4/3/2-Chan- — lights when power is nel Bridgeable Amplifier produces a total of supplied to the amplifier. 260 watts to give added punch and power to Protection Indicator — lights if the amplifier your vehicle’s existing auto sound system. shuts itself down. The amplifier produces up to 130 watts per Crossover Frequency Circuit — lets you channel (if bridged) of clean, powerful sound adjus
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12-2017.fm Page 4 Tuesday, May 9, 2000 10:02 AM Preparation SUPPLIED HARDWARE Your amplifier comes with the following items. Be sure you locate everything shown before you store or dispose of the packing materials. FUSE 40A Power Wire (Red) (1) Ground Wire (Black) (1) Remote Wire (Blue/White) (1) Flat Washers (4) 4-Pin Connector with Wire (2) Twist-On Terminal Connectors (9) Sheet Metal Screws (4) Lock Washers (4) BEFORE YOU BEGIN THE INSTALLATION Before you install your amplifier, read al
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12-2017.fm Page 5 Tuesday, May 9, 2000 10:02 AM Warning: The amplifier gets very hot while it Then test the connections. When you verify is on. Do not touch the amplifier or place that everything works as expected, discon- flammable objects near it. nect the amplifier, mount it in your vehicle, and reconnect it. Preparing the Mounting Area Caution: If you do not make the connections in the order shown, damage to the amplifier Before you mount the amplifier, make sure and your auto sound syste
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12-2017.fm Page 6 Tuesday, May 9, 2000 10:02 AM Cautions: • For added safety and to protect your amplifier and auto sound system, dis- connect the cable from your vehicle’s negative (–) battery terminal before you begin. • Be sure your speakers can handle as much as 260 watts of power (130 watts per channel if you connect your auto sound system to one pair of speakers and bridge the amplifier’s outputs, or 65 watts per channel if you connect your auto sound system to two pairs of speakers or
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12-2017.fm Page 7 Tuesday, May 9, 2000 10:02 AM CONNECTING GROUND AND SWITCHED/PRIMARY POWER Blue/White AMP Remote Turn On Black Vehicle’s Battery Chassis Ground Switched Power Lead Auto Sound System Follow these steps to connect the amplifier to using one of the supplied twist-on termi- ground, switched power, and primary power. nal connectors. 1. If you have not done so already, discon- This connection turns on the amplifier nect the cable from your vehicle’s nega- when you turn on the auto
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12-2017.fm Page 8 Tuesday, May 9, 2000 10:02 AM 6. Use a screwdriver to connect the spade Caution: Due to the amplifier’s high cur- end of the supplied red power cable rent requirement, you must connect the (with in-line fuse holder) to the ampli- red power cable’s fused end directly to fier’s + 12V terminal. the vehicle’s positive (+) battery terminal or damage to your vehicle’s wiring could 7. Connect the other end of the red power result. cable to your vehicle’s positive (+) bat- tery term
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12-2017.fm Page 9 Tuesday, May 9, 2000 10:02 AM If your auto sound system has two line out jacks (left and right), connect the auto sound system to the amplifier. Left Right Auto Sound System Note: For the best results, use shielded audio Y-adapters (not supplied) available at your local RadioShack store. using either a floating or common HIGH-LEVEL (SPEAKER ground connection. WIRE) INPUTS Note: A floating ground connection lets the If your auto sound system does not have amplifier provide
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12-2017.fm Page 10 Tuesday, May 9, 2000 10:02 AM Four Speaker Outputs Floating Ground Connection Gray/Black Violet/Black Green/Black White/Black Auto Sound System Common Ground Connection Violet/Black Green/Black Gray/Black White/Black Auto Sound System 10 Connecting Inputs Right Rear + Right Rear + Speaker Violet Speaker Violet Right Rear– Speaker Common Left Rear – Speaker Green Left Rear + Left Rear + Green Speaker Speaker Right Front + Right Front + Speaker Speaker Gray Gray Right
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12-2017.fm Page 11 Tuesday, May 9, 2000 10:02 AM Two Speaker Outputs Floating Ground Connection Violet/Black Green/Black Green Violet Auto Sound System Common Ground Connection Violet/Black Green/Black Violet Green Auto Sound System 11 Connecting Inputs Gray Gray Right + Right + Speaker Speaker Right – Common Speaker Left – Speaker Left + Left + Speaker Speaker Gray/ Gray/ Black Black White/ White/ Black Black White White
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12-2017.fm Page 12 Tuesday, May 9, 2000 10:02 AM 3. Strip the insulation from the ends of CONNECTING SPEAKERS 1 each conductor to expose /4 inch of You can connect four speakers, two speak- wire. Twist the ends to secure loose ers and a subwoofer, or just two speakers to strands. the amplifier and your auto sound system. Important: Before you make the connec- Conductors tions, make sure both BRG/ST switches (on 1 /4 Inch the left and right sides of the amplifier) are set to ST. 4 Inches Prepa
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12-2017.fm Page 13 Tuesday, May 9, 2000 10:02 AM Connecting Four Speakers CH1 Front CH2 Front CH3 Rear CH4 Rear Left Speaker Right Speaker Left Speaker Right Speaker CH2 (+) 1. Use a screwdriver to connect the front (–) wires to the amplifier’s and CH2 (–) left speaker’s positive (+) wire to the terminals. CH1 (+) amplifier’s terminal. 4. Repeat Steps 1–3 to connect the rear 2. Use a screwdriver to connect the front left and rear right speaker’s positive (+) left speaker’s negative (–) wir
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12-2017.fm Page 14 Tuesday, May 9, 2000 10:02 AM Connecting Two Speakers (Bridged Connection) Right Speaker Left Speaker Caution: This connection produces 130 2. Use a screwdriver to connect the left watts per channel. Use this connection only if speaker’s negative (–) wire to the ampli- CH2 (+) you have high-power speakers that can han- fier’s terminal. dle a power output of 130 watts. 3. Repeat Steps 1–2 to connect the right Note: CH2 (+) CH4 (+) and are used as nega- speaker’s positiv
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12-2017.fm Page 15 Tuesday, May 9, 2000 10:02 AM 3. Repeat Steps 1–2 to connect the front 5. Repeat Step 4 to connect the sub- right speaker’s positive (+) and negative woofer’s negative (–) wire to the ampli- (–) wires to the amplifier’s CH2 (+) and fier’s negative (–) terminal for the same CH2 (–) terminals. channel you connected in Step 4. For example, if you connected the sub- 4. Use a screwdriver to connect the sub- woofer’s positive (+) wire to the ampli- woofer’s positive (+) wire to t
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12-2017.fm Page 16 Tuesday, May 9, 2000 10:02 AM Completing the Installation and auto sound system operate properly. TESTING THE The amplifier turns on after a few seconds. CONNECTIONS If you cannot quickly confirm whether the Before you continue, make sure you have auto sound system and amplifier are working securely made all connections. Then recon- turn off your vehicle’s ignition properly, nect the cable to the vehicle’s negative (–) and disconnect the cable from your vehi- battery te
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12-2017.fm Page 17 Tuesday, May 9, 2000 10:02 AM 5. Secure the amplifier to the mounting surface using the supplied sheet metal screws and washers. 6. Reconnect the wiring. 7. Reconnect the cable to the vehicle bat- tery’s negative (–) terminal. 8. Reset your vehicle’s clock, your auto sound system’s tuner memory, and other timer/memory devices. 17 Completing the Installation
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12-2017.fm Page 18 Tuesday, May 9, 2000 10:02 AM Operation LEVEL (MIN/ 1. Use a screwdriver to turn TURNING ON THE MAX) on the left and right sides of the AMPLIFIER amplifier fully counterclockwise to MIN. The amplifier automatically turns on a few seconds after you turn your vehicle’s ignition switch to ACC or ON or turn on your auto sound system, depending on how you wired POWER the system. The indicator on the side of the amplifier lights when the amplifier is on. 2. Turn the auto sou
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12-2017.fm Page 19 Tuesday, May 9, 2000 10:02 AM ADJUSTING FREQUENCY CROSSOVER If you installed a subwoofer using the steps in “Connecting Two Speakers and One Sub- woofer (Unbridged Connection)” on Page 14 or “Connecting Two Unbridged Speakers and One Bridged Subwoofer” on Page 15, set X-OVER FREQ ON/OFF to ON, then adjust X-OVER FREQ for your particular vehicle’s acoustics. The amplifier passes through all frequencies at or below that setting (45- 400 Hz). Note: X-OVER FREQ selects the lim
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12-2017.fm Page 20 Tuesday, May 9, 2000 10:02 AM Troubleshooting We do not expect you to have any problems with your RadioShack High Power 4/3/2-Channel Bridgeable Amplifier, but if you do have a problem, this chart might help. If not, take the ampli- fier to your local RadioShack store for assistance. Symptom Possible Cause Suggestion No power — the amplifier’s Power problem. Check the amplifier’s and auto POWER indicator does not light sound system’s fuses and after the vehicle’s auto s
